Palacios-Aguilar, R. and O. Flores-Villela. 2020. Taxonomic revision and comments on two groups of the genus Coniophanes (Squamata: Dipsadidae). Vetebrate Zoology, 72(2): 111-124. doi: 10.26049/VZ70-2-2020-02
Ramírez-Reyes, T., C. Blair, O. Flores-Villela, D. Piñero, A. Lathrop, R. Murphy. 2020. Phylogenomics and molecular species delimitation reveals great cryptic diversity of leaf-toed geckos (Phyllodactylidae: Phyllodactylus), ancient origins, and diversification in Mexico. Molecular Phylogenetics and Evolution, 150: 106880. https://doi.org/10.1016/j.ympev.2020.106880
Gutiérez-Rodriguez, J; A. Zaldivar-Riverón; I. Solano-Zavaleta; J. A. Campbell; R. N. Meza-Lázaro, O. Flores-Villela and. A. Nieto-Montes de Oca. 2020. Phylogenomics of the Mesoamerican alligator-lizard genera Abronia and Mesaspis (Anguidae: Gerrhonotinae) reveals multiple independent clades of arboreal and terrestrial species. Molecular Phylogenetics and Evolution, 154: 106963. https://doi.org/10.1016/j.ympev.2020.106963
Castiglia, R. O. A. Flores-Villela, A. M. R. Bezerra, E. Gornung, F. Annesi, L. A. Muñoz-Alonso and E. Solano. 2020. Detection of cryptic diversity in lizards (Squamata) from two Biosphere Reserves in Mesoamerica. Comparative Cytogenetics, 14(4): 613-638. doi: 10.3897/compcytogen.v14.i4.57765
Flores-Villela, O. A. 2021. Reptilia vs Sauropsida. Revista Latinoamericana de Herpetología, 4:239-245. https://doi.org/10.22201/fc.25942158e.2021.1.263
Tepos-Ramírez, M., O. Flores-Villela, J. A. Velasco, C. Pedraza Lara, O. R. García Rubio and R. C. Jadin. 2021. Molecular Phylogenetics and Morphometrics Reveal a New Endemic Jumping Pitviper (Serpentes: Viperidae: Metlapilcoatlus) from the Sierra Madre Oriental of Mexico. Journal of Herpetology, 55:181-191. DOI: 10.1670/20-028
Ramírez-Reyes, T., O. Flores-Villela, D. Piñero, A. Lathrop and R. W. Murphy. 2021. Genomic assessment of the Phyllodactylus tuberculosus complex (Reptilia: Phyllodactylidae) in America. Zoologica Scripta, 2021:529-542. DOI: 10.1111/zsc.12492
Hernández-Jiménez, C. A., O. Flores-Villela, A. Aguilar-Bremauntz and J. A. Campbell. 2021. Phylogenetic relationships based on morphological data and taxonomy of the genus Salvadora Baird & Girard, 1853 (Reptilia, Colubridae). Europena Journal of Taxonomy, 764:85-118. https://doi.org/10.5852/ejt.2021.764.1473
Roth-Monzón, A. J., T. J. Devitt, C. A. Ríos-Muñoz, G. Parra-Olea, J. A. Campbell and O. Flores-Villela. 2021. Geographic Variation in the Green Rat Snake Senticolis triaspis (Squamata: Colubridae): Evidence from Mitochondrial DNA, Morphology, and Niche Modeling. Ichthyology & Herpetology 109: 1026-1035. DOI: 10.1643/h2020034
Campillo-García, G., O. Flores-Villela, B. O. Buttler, J. A. Velasco-Vinasco and F. Ramírez-Corona. 2021. Hidden diversity within a polytypic species: The enigmatic Sceloporus torquatus Wiegmann, 1828 (Reptilia, Squamata, Phrynosomatidae). Vertebrate Zoology, 70: 781-798. https://DOI 10.3897/vz.71.e71995
Flores-Villela, O. A., E. N. Smith, L. Canseco-Márquez and J. A. Campbell. 2022. A new species of blindsnake from Jalisco, Mexico (Squamata: Leptotyphlopidae). Revista Mexicana de Biodiversidad, 93: e933933. https://doi.org/10.22201/ib.20078706e.2022.93.3933
Cruz-Elizalde, R., L. M. Ochoa-Ochoa, O. A. Flores-Villela and J. A. Velasco. 2022. Taxonomic distinctiveness and phylogenetic variability of amphibians and reptiles in the cloud forest of Mexico. Community Ecology, 23:87-102. https://doi.org/10.1007/s42974-022-00075-w
Flores-Villela, O., E. N. Smith, G. Campillo-García, N. Martínez-Méndez and J. A. Campbell. 2022. A new species of Sceloporus of the torquatus group (Reptilia: Phrynosomatidae) from West Mexico. Zootaxa, 5134:286-296. https://doi.org/10.11646/zootaxa.5134.2.7
Ramírez-Reyes, T. J. A. Velasco, O. Flores-Villela and D. Piñero. 2022. Decoupling in Diversification and Body Size Rates During the Radiation of Phyllodactylus: Evidence Suggests Minor Role of Ecology in Shaping Phenotypes. Evolutionary Biology, 49:373-387. https://doi.org/10.1007/s11692-022-09575-z
Cisneros-Bernal, A. Y., F. Rodríguez-Gómez, O. Flores-Villela, M. K. Fujita, J. A. Velasco and J. A. Fernández. 2022. Phylogeography supports lineage divergence for an endemic rattlesnake (Crotalus ravus) of the Neotropical montane forest in the Trans-Mexican Volcanic Belt. Biological Journal of the Linnean Society, 137: 496–512. https://doi.org/10.1093/biolinnean/blac066
Buttler, B. O., L. L. Smith and O. Flores-Villela. 2023. Phylogeography and taxonomy of Coleonyx elegans Gray 1845 (Squamata: Eublepharidae) in Mesoamerica: The Isthmus of Tehuantepec as an environmental barrier. Molecular Phylogenetics and Evolution, 178: January 2023, 107632 https://doi.org/10.1016/j.ympev.2022.107632
Velázquez-Urrieta, Y. O. A. Flores-Villela, L. M. Ochoa-Ochoa and G. Pérez-Ponce de León. 2023. Gathering morphological and molecular data for identifying two species of trematodes from the neotropical Vaillant’s frog, Lithobates vaillanti (Amphibia: Ranidae) in the highlands of Chiapas, south-eastern Mexico. Journal of Helminthology, 97, e13, 1–8. https://doi.org/10.1017/S0022149X22000906
Vázquez-Restrepo, J. D., L. M. Ochoa-Ochoa, O. Flores-Villela and J. A. Velasco. 2023. Deconstructing the dimensions of alpha diversity in squamate reptiles (Reptilia: Squamata) across the Americas. Global Ecology and Biogeography. 32:250–266. DOI: 10.1111/geb.13617
De Oliveira, L., F. G. Grazziotin, P. M. Sánchez-Martínez, M. Sasa, O. Flores-Villela, A. L. Da Costa Pridente and H. Zaher. 2023. Phylogenetic and morphological evidence reveals the association between diet and the evolution of the venom delivery system in Neotropical goo-eating snakes. Systematics and Biodiversity, 21:2153944. https://dx.doi.org/10.1080/14772000.2022.2153944
Hidalgo-Licona, L. F., O. A. Flores-Villela and J. A. Velasco. 2023. Climatic niche differentiation and paleodistribution of the longtail alpine garter snake complex Thamnophis scalaris (Squamata: Colubridae): holocene refugia in the Mexican highlands. Frontiers in Biogeography, 2023, 15.3, e59233. doi:10.21425/F5FBG59233
Nachman, M. W., E. J. Beckman, R. Ck Browie, C. Cicero, C. J. Conroy, R. Dudley, T. B. Heyes, M. S. Koo, et al. 2023. Specimen collection is essential for modern science. PlosBiology. 21(11): e3002318. https://doi.org/10.1371/journal.pbio.3002318
Campillo-García, G., O. A. Flores-Villela, B. O. Butler, M. Benabib, and R. Castiglia. 2024. More cryptic diversity among spiny lizards of the Sceloporus torquatus complex discovered through a multilocus approach. Amphibia Reptilia, 45: 21-35. DOI:10.1163/15685381-bja10163
Barrio-Amorós, C. L., D. J. Sánchez-Ochoa, C. Kemal-Akcali, O. A. Flores-Villela, R. Palacios-Aguilar and H. A. Pérez-Mendoza. 2024. The Guatemala tree frog, Ecnomiohyla minera (Anura: Hylidae), an addition to the herpetofauna of Mexico. Revista Latinoamericana de Herpetología, 7(2): —e900— 50-54. https://doi.org/10.22201/fc.25942158e.2024.2.900
Chambers, E. A., J. D. Lara-Tufiño, G. Campillo-García, A. Y. Cisneros-Bernal, D. J. Dudek Jr., V. León-Règanon, J. H. Towsend, O. Flores-Villela and D. M. Hillis. 2025. Distinguishing species boundaries from geographic variation. Proceeedings of the National Academy of Sciences. 122: e2423688122. https://doi.org/10.1073/pnas.2423688122
Díaz-Ortega, I. E., J. J. Zúñiga-Vega, O. Flores-Villela and H. A. Pérez-Mendoza. 2025. Rethinking Phenotypic Categorization: Evidence From Morphological and Life-History Traits in Spiny Lizards (Sceloporus). Ecology and Evolution, 2025; 15:e71709.https://doi.org/10.1002/ece3.71709